3-(4-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole CAS 1445792-50-6
| CAS No. | 1445792-50-6 |
| Molecular Formula | C11H10N4O2 |
| Molecular Weight | 230.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(4-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-(4-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole (CAS 1445792-50-6), molecular formula C11H10N4O2 and molecular weight 230.22 g/mol, is a CATO reference standard with documented purity and traceability.
3-(4-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole (C11H10N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C11H10N4O2 |
| Molecular Weight | 230.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 4 |
Related Nitrophenyl Standards
- (2-nitrophenyl)(pyridin-2-yl)methanol (CAS 115177-58-7)
- 2-((4-Nitrophenyl)amino)phenol (CAS 119707-16-3)
- 3-(3-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole (CAS 1445792-45-9)
- 4-((4-Nitrophenyl)amino)phenol (CAS 16078-86-7)
- 3-(2-Nitrophenyl)-5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole (CAS 1923069-20-8)
- (2-Nitrophenyl)(pyridin-3-yl)methanol (CAS 3882-44-8)
- 1-(2-Methyl-3-nitrophenyl)-1H-pyrrole-2-carbaldehyde (CAS 383136-10-5)
- 1-(2-Methyl-4-nitrophenyl)-1H-pyrrole-2-carbaldehyde (CAS 293329-88-1)
Recommended Standards
- Ethyl 2-(pyrazin-2-yl)pyrimidine-5-carboxylate (CAS 1447606-82-7)
- Methyl 2-(furan-2-carbonyl)benzoate (CAS 1443349-48-1)
- 2-((4-Nitrophenoxy)methyl)pyridine (CAS 145654-42-8)
- 2-Benzyl-3-oxo-2,3-dihydropyridazine-4-carboxylic acid (CAS 1443286-86-9)
- 2-(3-Methoxy-4-nitrophenyl)thiazol-4-amine (CAS 2442597-65-9)
- (R)-3-(chloromethyl)pyrrolidine hydrochloride (CAS 1187931-85-6)
- N-(4,5-Dibromo-1H-pyrazol-3-yl)acetamide (CAS 1934362-80-7)
- 4-(Propylamino)-2H-chromen-2-one (CAS 132815-42-0)
- tert-Butyl 7-cyano-6-[(E)-[(dimethylamino)methylidene]amino]-2,3-dihydro-1H-pyrrolizine-5-carboxylate (CAS 1785961-71-8)
- N-Ethyl-4-nitrobenzamide (CAS 50445-50-6)
- 2-(1,1-dimethylethyl)-4-(3-hydroxypropoxy)-6-(5-methoxy-2H-benzotriazol-2-yl)-phenol (CAS 114289-79-1)
- 1-(1-Ethyl-1H-pyrazol-4-yl)-N-((1-isopropyl-1H-pyrazol-5-yl)methyl)methanamine hydrochloride (CAS 1856033-72-1)
- imidazo[1,2-a]pyrazin-8-ol (CAS 434936-85-3)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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